Math, asked by sanjaykojha06, 11 months ago

Exoand (3x+4) (3x-5) using identity

Answers

Answered by badrinathgpm123
2

Step-by-step explanation:

(p+a)(p+b)=x^2+(a+b)p+ab

hear we have p=3x

a=4

b=-5

(3x+4)(3x-5)

(3x)^2+(4-5)3x+(4)(-5)

9x^2+(12x-15x)-20

\boxed{9x^2+-3x-20}

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